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Finding the Fourth Proportional to 22,295.91, 33,447.11 and 11,901.99

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Solution

The fourth proportional to 22,295.91, 33,447.11 and 11,901.99 is: 17,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.91 : 33,447.11 = 11,901.99 : x
  2. Step 2: Convert to fraction form
    22,295.91/33,447.11 = 11,901.99/x
  3. Step 3: Cross multiply
    22,295.91x = 33,447.11 × 11,901.99
  4. Step 4: Simplify right side
    22,295.91x = 398,087,109.24
  5. Step 5: Solve for x
    x = 398,087,109.24/22,295.91
  6. Step 6: Final answer
    x = 17,854.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.